Parts were ordered from Tesla. Required parts are the bumper cover, lower cover (diffuser) and lower tray that goes under the bumper to the rear cross memeber. No additinal wiring needed since I did not relocate the reverse lights to the bumper like the highland.
Rear trunk can be done as well but would need electrical work since the tail lights mount to the trunk on the highland and the use of the factory lights would not work, you would need the highland lights. This is not a direct bolt on since you cannot reuse the bumper brackets found under the tail lights of the old school model 3. Hope this helps. Fitment is 9/10 since this bumper rises slightly higher under the tail lights